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2008 Volkswagen Jetta

Owner reports · Recalls · Investigations

More warning signs than most Jetta years

Owner complaints for the 2008 Volkswagen Jetta are substantially higher than the model-year median of 68.

About this comparison →

When problems were reported

Mileage at the reported incident

160 reports with mileage · 28 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Power Train. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

4 crash reports4 fire reports4 injury reports

What owners actually said

188 reports
17,543 miles · Aug 23, 2009
Power Train

I BOUGHT THE CAR IN MAY OF 2008. IT IS NOW AUGUST 23, 2008 AND IT IS GOING INTO THE SHOP THIS WEEK FOR THE THIRD TIME. THE MECHATRONIC UNIT HAS BEEN REPLACED ONCE AS WELL AS THE CLUTCH PLATES. IT IS A 2008 JETTA WOLFSBURG EDITION 2.0T WITH THE DSG TRANSMISSION. THE PROBLEM IS A JERKY, SURGING FEELING WHEN THE TRANSMISSION IS…

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I BOUGHT THE CAR IN MAY OF 2008. IT IS NOW AUGUST 23, 2008 AND IT IS GOING INTO THE SHOP THIS WEEK FOR THE THIRD TIME. THE MECHATRONIC UNIT HAS BEEN REPLACED ONCE AS WELL AS THE CLUTCH PLATES. IT IS A 2008 JETTA WOLFSBURG EDITION 2.0T WITH THE DSG TRANSMISSION. THE PROBLEM IS A JERKY, SURGING FEELING WHEN THE TRANSMISSION IS WARMED UP. YOU TAKE YOUR FOOT OFF THE BRAKE AND IT STARTS TO JERK AS IF YOU'RE TAPPING THE GAS AND LETTING OFF. IT HAPPENS 2 OR 3 TIMES A DAY WHEN I DRIVE A LOT. NOT SURE WHAT ELSE IT COULD BE. THE CAR WAS BUILT IN MAY 2008 AS FAR AS I KNOW, MEANING ITS NOT PART OF THE RECALL AS OF TODAY AUGUST 21, 2009. I CAN'T BELIEVE A CAR THAT HAS 18,000 MILES ON IT IS HAVING THESE MANY PROBLEMS. *TR

NHTSA ODI #10281494

3,000 miles · Aug 21, 2009
Power Train

WE PURCHASED A 2008 VOLKSWAGEN JETTA WOLFSBERG EDITION. FROM A DEALERSHIP ON STATEN ISLAND. THE CAR NOW HAS APPROXIMATELY 5,000 MILES ON THE ODOMETER. WE BEGAN TO NOTICE THAT THE CAR WOULD LUNGE FORWARD FROM A STARTING POSITION WHILE IN DRIVE OR LUNGE BACKWARDS FROM A STARTING POSITION WHILE IN REVERSE. THE CAR MAKES VERY J…

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WE PURCHASED A 2008 VOLKSWAGEN JETTA WOLFSBERG EDITION. FROM A DEALERSHIP ON STATEN ISLAND. THE CAR NOW HAS APPROXIMATELY 5,000 MILES ON THE ODOMETER. WE BEGAN TO NOTICE THAT THE CAR WOULD LUNGE FORWARD FROM A STARTING POSITION WHILE IN DRIVE OR LUNGE BACKWARDS FROM A STARTING POSITION WHILE IN REVERSE. THE CAR MAKES VERY JERKY, JOLTY MOVEMENTS FORWARD. WE HAVE TAKEN IT TO THE DEALERSHIP OPEN ROAD IN BROOKLYN, NY. THE MECHANICS BELIEVE IT IS A TRANSMISSION ISSUE. THE PART IS ON ORDER, BUT THE DEALERSHIP HAS SAID IT IS SAFE TO DRIVE UNTIL THE PART COMES IN FROM GERMANY. ALTHOUGH THEY OFFERED US A "RENTAL" CAR JUST IN CASE WE FELT UNCOMFORTABLE. I READ TODAY (AUGUST 21ST) THAT VW IN CONJUNCTION WITH THE NHTSA IS RECALLING SEVERAL VW'S DUE TO PROBLEMS WITH THE DCT IN THE TRANSMISSION. I AM CONCERNED THAT THIS PROBLEM MAY INVOLVE MORE THAN THE CARS LISTED, AS I AM SURE THAT OUR VEHICLE IS AFFECTED BY THIS DEFECT. *TR

NHTSA ODI #10281354

7,500 miles · Aug 21, 2009
Power Train

FAILURE OF VW DSG TRANSMISSION AFTER 7000 MILES. *TR

NHTSA ODI #10281288

26,000 miles · Aug 18, 2009
Service Brakes, Hydraulic

WE OWN A 2008 VW JETTA. 2.5 L THE JETTA HAS 25,000 MILES AND LESS THAN YEAR OF OWNERSHIP (PURCHASED AT 8000 AS PROGRAM CAR) REAR BRAKES ARE COMPLETELY GONE & RUINED ONE ROTOR -NO WARNING PRIOR? (PER DEALER) FRONT BRAKES ARE FINE TOLD REAR PADS AND ROTORS MUST BE REPLACED. *TR

NHTSA ODI #10280806

25,000 miles · Aug 17, 2009
Power Train

I HAVE HAD MY 08 VW JETTA WOLFSBURG WITH DSG TRANSMISSION FOR A LITTLE OVER A YEAR AND HAVE DRIVEN IT 25000 MILES. THE TRANSMISSION HAS NEVER REALLY BEEN PERFECT BUT I PUT THE VARIOUS CLUNKS, HESITATIONS AND HARD SHIFTS DOWN TO THE TRANSMISSION TECHNOLOGY RATHER THAN A POTENTIAL FAILURE. HOWEVER, AS TIME HAS GONE BY I HAVE NOTIC…

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I HAVE HAD MY 08 VW JETTA WOLFSBURG WITH DSG TRANSMISSION FOR A LITTLE OVER A YEAR AND HAVE DRIVEN IT 25000 MILES. THE TRANSMISSION HAS NEVER REALLY BEEN PERFECT BUT I PUT THE VARIOUS CLUNKS, HESITATIONS AND HARD SHIFTS DOWN TO THE TRANSMISSION TECHNOLOGY RATHER THAN A POTENTIAL FAILURE. HOWEVER, AS TIME HAS GONE BY I HAVE NOTICED AN INCREASED TENDENCY FOR THE CAR TO SURGE WHEN ATTEMPTING TO SLOWLY REVERSE. THIS CAUSES REPEATED SUDDEN ACCELERATIONS MUCH GREATER THAN ANTICIPATED WITH THE SMALL AMOUNT IN THROTTLE INPUT. GIVEN THAT I NEED TO NEGOTIATE MY CHILD'S DAYCARE FACILITY PARKING LOT TWICE A DAY THIS SITUATION HAS BECOME A REAL SAFETY CONCERN FOR ME. A SIMILAR PROBLEM OCCURS WHEN VERY SLOWLY STARTING FORWARD FROM A COMPLETE STOP. THIS SITUATION IS NOT QUITE AS SERIOUS A CONCERN FOR ME BUT IS AT LEAST VERY ANNOYING. PRIMARILY I AM CONCERNED ABOUT THE ABILITY TO SAFELY REVERSE MY VEHICLE AND MAINTAIN CONTROL OF MY SPEED IN DOING SO. *TR

NHTSA ODI #10280748

13,000 miles · Aug 14, 2009
Power Train

2008 VOLKSWAGEN JETTA GLI WITH DSG TRANSMISSION. THIS CAR HAS A FAULTY DSG TRANSMISSION WHICH MAKES THE CAR UNSAFE TO DRIVE. THE CAR SHIFTS ROUGHLY, BUCKS WHILE ROLLING IN STOP AND GO TRAFFIC, AND ROLLS BACKWARDS AN EXCESSIVE DISTANCE WHEN SHIFTING INTO PARK ON A HILL (NOSE POINTING UPHILL). THIS IS A DANGEROUS DEFECT. *TR

NHTSA ODI #10280467

10,000 miles · Jul 27, 2009
Power Train

2008 VOLKSWAGEN JETTA WOLFSBURG W/ DSG TRANSMISSION, 22K MILES. AFTER WARMING UP, THERE IS SIGNIFICANT LURCHING AND STUTTERING FROM A STOP WHEN IN D(RIVE), S(PORT) OR "MANUAL" MODE. WHEN IN D & S, THERE IS OFTEN TIMES A HARSH DOWNSHIFT INTO 3RD OR 2ND GEAR. ENGINE ALMOST DIES WHEN COMING TO A STOP ON OCCASION, THEN LURCHES FORWA…

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2008 VOLKSWAGEN JETTA WOLFSBURG W/ DSG TRANSMISSION, 22K MILES. AFTER WARMING UP, THERE IS SIGNIFICANT LURCHING AND STUTTERING FROM A STOP WHEN IN D(RIVE), S(PORT) OR "MANUAL" MODE. WHEN IN D & S, THERE IS OFTEN TIMES A HARSH DOWNSHIFT INTO 3RD OR 2ND GEAR. ENGINE ALMOST DIES WHEN COMING TO A STOP ON OCCASION, THEN LURCHES FORWARD. IN REVERSE, THERE IS ALMOST NO RESPONSE TO PRESSING THE ACCELERATOR FOR A SPLIT SECOND, THEN THE CAR LUNGES BACKWARDS VERY NEARLY CAUSING A CRASH ON MULTIPLE OCCASIONS. PROBLEM HAS BEEN OCCURRING FOR APPROX 6 MONTHS. I ORIGINALLY THOUGHT IT MAY NEED A REGULAR SERVICING TO FIX, BUT THE RECOMMENDED INTERVAL ISN'T UNTIL 40K MILES. CURRENTLY WAITING ON APPT AT DEALER TO HAVE IT LOOKED AT. *TR

NHTSA ODI #10278498

Mileage unknown · Jul 27, 2009
Vehicle Speed Control

I AM SUBMITTING A COMPLAINT REGARDING MY 2008 VOLKSWAGEN JETTA, WOLFSBURG EDITION.WE PURCHASED THIS CAR 8-08 FROM A VW DEALER, IT WAS BRAND NEW. WITHIN SEVERAL MONTHS OF OWNING THE CAR, WHEN ATTEMPTING TO ACCELERATE WHEN IN DRIVE, THE CAR WOULD LUNGE FORWARD. THE CONDITION KEPT GETTING WORSE AND BEGAN ALSO LUNGING FORWARD WHEN I…

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I AM SUBMITTING A COMPLAINT REGARDING MY 2008 VOLKSWAGEN JETTA, WOLFSBURG EDITION.WE PURCHASED THIS CAR 8-08 FROM A VW DEALER, IT WAS BRAND NEW. WITHIN SEVERAL MONTHS OF OWNING THE CAR, WHEN ATTEMPTING TO ACCELERATE WHEN IN DRIVE, THE CAR WOULD LUNGE FORWARD. THE CONDITION KEPT GETTING WORSE AND BEGAN ALSO LUNGING FORWARD WHEN IDLING. I TOOK IT TO THE SERVICE DEPT. OF THE VW DEALERSHIP WHERE I PURCHASED THE CAR. THEY SAID IT HAD TO DO WITH THE COMPUTER MEMORY IN MY CAR AND IT WAS MEMORIZING HOW I DRIVE AND IF I SWITCHED OVER TO ANOTHER DRIVER IT WOULD BE CONFUSED AND LUNGE. THIS IS WRITTEN ON MY RECEIPT FOR THE WORK: "ADVISE CUSTOMER TO ONLY DRIVE THE VEHICLE. IT IS ACTING AS IF TWO PEOPLE ARE DRIVING AND THE ADAPTIVE LEARNING IS CONFUSED. NO CODES STORED." MY CAR IS CONFUSED, THEREFORE THERE CAN ONLY BE ONE DRIVER???? SOUNDED SILLY TO ME, BUT I NEEDED MY CAR AND I ACCEPTED THAT EXPLANATION AND LEFT. THE CONDITION ONLY WORSENED. THE LUNGE OR SURGING FORWARD BECAME SO NOTICEABLE THAT IT WAS EMBARRASSING. MY HUSBAND SAID HE ALSO NOTICED IT LUNGING OR SURGING IN THE REVERSE GEAR AS WELL AS FORWARD AND IDLE. I RETURNED IT TO THE SERVICE DEPARTMENT AT THE VW DEALERSHIP JULY 13, 2009. THEY HAVE DETERMINED THAT IT IS A FAULTY MECHATRONICS UNIT. THEY CANNOT EVEN GET THE PART UNTIL THE FIRST WEEK IN AUGUST. THEY TOLD ME THAT PROBLEMS WITH THE MECHATRONICS UNIT ARE RARE. HOWEVER, I DID MY OWN RESEARCH AND FOUND THAT THERE ARE MANY PEOPLE WHO HAVE VW JETTAS WITH THE SAME PROBLEM. AND, THIS PART IS A BIT WEIRD...MANY OF THEM HAD TO WAIT WEEKS FOR THE PART. ONE PERSON REPORTED THAT THE "SURGING FORWARD" WAS SO BAD THAT HE HIT ANOTHER CAR. I AM REPORTING THIS BECAUSE THIS CONDITION COULD BE POTENTIALLY DANGEROUS.IT IS EXTREMELY FRUSTRATING TO OWN A NEW CAR THAT HAS SOMETHING SO MAJOR WRONG WITH IT. AND IT WAS VERY UPSETTING TO FIND SO MANY OTHERS (ONLINE FORUMS) WITH THE SAME PROBLEMS. THANK YOU FOR YOUR HELP AND CONSIDERATION OF THIS SITUATION. *TR

NHTSA ODI #10278484

21,126 miles · Jul 26, 2009
Power Train

1. THIS ISSUE IS MORE PREVALENT WHEN THE CAR IS WARMED UP, LIKE AFTER DRIVING FOR 20 OR 30 MINUTES OR SO. 2. MY CAR (VW JETTA '08 DSG) AUTOMATIC TRANNY OPERATION FAILS USUALLY WHEN IN 1ST GEAR (WHILE IN 'D' MODE) OR IN REVERSE SO THAT YOU EXPERIENCE VERY BAD "LURCHING" AND SURGING EFFECT. THE CAR WOULD SUDDENLY REV AND JUMP F…

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1. THIS ISSUE IS MORE PREVALENT WHEN THE CAR IS WARMED UP, LIKE AFTER DRIVING FOR 20 OR 30 MINUTES OR SO. 2. MY CAR (VW JETTA '08 DSG) AUTOMATIC TRANNY OPERATION FAILS USUALLY WHEN IN 1ST GEAR (WHILE IN 'D' MODE) OR IN REVERSE SO THAT YOU EXPERIENCE VERY BAD "LURCHING" AND SURGING EFFECT. THE CAR WOULD SUDDENLY REV AND JUMP FORWARD A FOOT OR TWO THEN FEEL LIKE IT WAS IDLING WRONG AND FEEL LIKE IT WAS GOING TO DIE, THEN RUN FINE THEN DO IT ALL OVER AGAIN. THIS COULD CAUSE SERIOUS ACCIDENT BECAUSE CAR WOULDN'T HAVE POWER TO MOVE WHEN ITS NEEDED FOR EXAMPLE IN T-JUNCTION. 3. I CALLED THE DEALER AND THEY WANT TO GET THE CAR IN TO FIX THE BAD MECHATRONICS UNIT. THE NEW MECHATRONICS UNIT PART WAS ORDERED AND IT WILL TAKE "SOME TIME" (NO LESS THAN ONE MONTH), NO EXACT DATE WAS GIVEN WHEN THEN NEW PART IS AVAILABLE AND READY FOR REPLACING. I FEAR THAT THE DSG REPAIRING IS NOT THE FINAL SOLUTION AND IT WILL TAKE LOTS OF REPAIRS TO GET THIS THING EVENTUALLY FIXED. *NOTE* CAR VIN SITE DIDN'T ACCEPT IT FOR SOME REASON. *TR

NHTSA ODI #10278320

31,000 miles · Jul 25, 2009
Power Train

I'M GOING ON MY 3RD DSG/MECHATRONICS UNIT. I HAVE A 08 WOLFSBURG WITH 31,000 MILES. THE VERY FIRST DAY I HAD THE CAR IN BROKE DOWN WITH 101 MILES ON IT. FLASHING PRNDS AND IT WOULD NOT SHIFT INTO ANY OTHER GEARS OR REVERSE. HAD IT TOWED TO DEALER AND WAITED 3 WEEKS FOR NEW MECHATRONICS UNIT. FOR A FEW DAYS IT WAS FINE THEN IT ST…

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I'M GOING ON MY 3RD DSG/MECHATRONICS UNIT. I HAVE A 08 WOLFSBURG WITH 31,000 MILES. THE VERY FIRST DAY I HAD THE CAR IN BROKE DOWN WITH 101 MILES ON IT. FLASHING PRNDS AND IT WOULD NOT SHIFT INTO ANY OTHER GEARS OR REVERSE. HAD IT TOWED TO DEALER AND WAITED 3 WEEKS FOR NEW MECHATRONICS UNIT. FOR A FEW DAYS IT WAS FINE THEN IT STARTED WITH JERKING,HARD DOWN SHIFTS FROM 3 TO 1 IN DRIVE. BACKING UP WAS SCARY AT TIMES. BROUGHT IT BACK TO THE SAME DEALER 4 DIFFERENT TIMES AND THEY SAID THIS WAS NORMAL FOR DSG. GOT TIRED OF HEARING THE SAME STORY FROM THEM AND TOOK IT TO ANOTHER DEALERSHIP AND THEY SAID IT WAS MECHATRONICS UNIT AND ITS ON ORDER SINCE JUNE 12,2009 AND TODAY IS JULY 25, 2009 AND STILL WAITING FOR MY CAR TO BE FIXED. *TR

NHTSA ODI #10278269

Official recalls

4

19V679000 · Unknown Or Other

Sep 25, 2019

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017 Volkswagen Passat, 2018 Tiguan LWB, 2007-2009 Jetta Sedan, 2011-2013, 2015 and 2019 Jetta, 2013 Jetta Hybrid, 2008-2009 Jetta Sportwagen, 2015 Golf Sportwagen, 2013 Golf, 2008-2010 and 2012-2013 Beetle and Beetle Convertible, 2008-2010 Beetle, and Beetle Convertible vehicles. Modifications made while the vehicles were in an internal evaluation period may cause the affected vehicles to not comply with all of the applicable regulatory requirements.

Consequence & remedy

Consequence: If the vehicles do not meet all regulatory requirements, there could be an increased risk of a crash, fire, or injury.

Remedy: Volkswagen will notify owners and repurchase the affected vehicles. The recall began November 6, 2019. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen's number for this recall is 01D7. Note: This recall is an expansion of NHTSA recall number 18V-329.

10V621000 · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

Dec 10, 2010

VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2006-2010 JETTA, NEW BEETLE, NEW BEETLE CONVERTIBLE, MODEL YEAR 2009 JETTA SPORTWAGEN AND MODEL YEAR 2007-2009 RABBIT VEHICLES EQUIPPED WITH 2.5L ENGINES. THE JETTA, JETTA SPORTWAGEN, AND RABBIT VEHICLES MAY HAVE A SMALL PLASTIC TAB LOCATED ON THE WINDSHIELD WASHER FLUID RESERVOIR THAT MAY CHAFE AGAINST AN UNDERHOOD FUEL SUPPLY LINE. THE NEW BEETLE AND THE NEW BEETLE CONVERTIBLE VEHICLES MAY HAVE A FASTENING CLAMP ON A HYDRAULIC HOSE OF THE POWER STEERING SYSTEM THAT MAY BE LOCATED IN AN IMPROPER POSITION WHICH COULD CAUSE CHAFING AGAINST AN UNDERHOOD FUEL SUPPLY LINE.

Consequence & remedy

Consequence: IF CHAFING OCCURS, THERE IS THE POTENTIAL FOR A FUEL LEAK TO DEVELOP. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL INSPECT AND IF NECESSARY REPLACE THE UNDERHOOD FUEL LINE. ADDITIONALLY, DEPENDING ON THE VEHICLE MODEL, DEALERS WILL EITHER REMOVE THE PLASTIC TAB FROM THE WINDSHIELD WASHER FLUID RESERVOIR, OR INSPECT THE POSITION OF THE FASTENING CLAMP AND ADJUST THE RELATED FASTENING CLAMP INTO THE CORRECT POSITION. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR BEFORE JANUARY 31, 2011. OWNERS MAY CONTACT VOLKSWAGEN AT 1-800-822-8987.

09V164000 · Power Train:driveline:driveshaft

May 19, 2009

VOLKSWAGEN IS RECALLING 25,594 MY 2006-2009 JETTA 5TH GENERATION EQUIPPED WITH 2.01 ENGINE. THE FASTENING SCREW CONTACT SURFACES ON THE DRIVESHAFT COVER PLATE MAY NOT HAVE BEEN MANUFACTURED TO FACTORY SPECIFICATIONS. SOME SCREWS MAY NOT HAVE BEEN TORQUED PROPERLY DURING ASSEMBLY AND COULD LOOSEN OVER TIME, CAUSING A KNOCKING SOUND WHEN THE VEHICLE IS IN MOTION. THE DRIVESHAFT SCREWS COULD LOOSEN TO THE POINT WHERE THE DRIVESHAFT DETACHES FROM THE GEARBOX.

Consequence & remedy

Consequence: IF THE VEHICLE IS MOVING WHEN THIS HAPPENS, THE DETACHED DRIVESHAFT COULD CAUSE DAMAGE THE GEARBOX HOUSING. A DAMAGE GEARBOX HOUSING COULD LEAK GEARBOX OIL ONTO THE STREET AND CREATE A RISK OF A VEHICLE CRASH FOR BOTH THE DRIVER AND OTHER MOTORISTS.

Remedy: DEALERS WILL INSPECT THE DRIVESHAFT SCREWS AND REPLACE THE SCREWS FREE OF CHARGE. THE RECALL BEGAN ON JUNE 24, 2009. OWNERS MAY CONTACT VOLKSWAGEN AT 1-800-822-8987.

07V442000 · Exterior Lighting:headlights

Sep 24, 2007

CERTAIN VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." SOME VEHICLES MAY NOT HAVE HAD A REQUIRED CAP INSTALLED WHICH DISABLES THE HEADLIGHT HORIZONTAL AIM AND SOME VEHICLES MAY CONTAIN A CAP THAT DISABLES THE VERTICAL AIMING SCREW.

Consequence & remedy

Consequence: NONCOMPLIANCE CAN INHIBIT PROPER HEADLAMP AIM ADJUSTMENT FOR ROADWAY ILLUMINATION, IMPROPERLY AIMED HEADLAMPS COULD CAUSE REDUCED ROAD VISIBILITY, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT FOR THE PRESENCE OF A CAP IN THE SOCKET OF THE LOW BEAM HORIZONTAL AIMING SCREW AND INSTALL ONE IF MISSING, AND INSPECT FOR THE PRESENCE OF A CAP IN THE SOCKET OF THE VERTICAL AIMING SCREW AND IF PRESENT, THE CAP WILL BE REMOVED. THE RECALL WILL BEGIN ON OCTOBER 31, 2007. OWNERS MAY CONTACT VW AT 1-800-822-8987.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE09035 · Vehicle Stall/loss Motive Power

Opened Jul 17, 2009 · Closed Nov 19, 2009

Status: closed (inferred from source dates) · Power Train:manual Transmission

THE SUBJECT VEHICLES ARE EQUIPPED WITH DIRECT SHIFT GEARBOX (DSG) TRANSMISSIONS, WHICH FEATURE A 6-SPEED AUTOMATIC GEARBOX WITH TWO WET RUNNING CLUTCHES (DUAL CLUTCH) IN WHICH THE CLUTCH MECHANISM AND GEAR CHANGES ARE ELECTROHYDRAULICALLY OPERATED BY A MECHATRONIC CONTROL UNIT.THE DSG MECHATRONIC CONTROLLER INCLUDES EXTENSIVE SELF DIAGNOSTIC FUNCTIONS AND STRATEGIES TO ENSURE SAFE OPERATION AND PREVENT SYSTEM/COMPONENT DAMAGE IN THE EVENT OF COMPONENT FAILURES OR HARSH OPERATING CONDITIONS.THE BASIC HIERARCHY OF FAULT MODES INCLUDES SOME THAT ONLY RESULT IN THE STORAGE OF A DIAGNOSTIC TROUBLE CODE (DTC) AND CAUSE NO LOSS OF FUNCTION, SOME THAT STORE A DTC AND REDUCE VEHICLE OPERATION TO A LIMP HOME MODE, AND SOME THAT STORE A DTC AND CAUSE AN INTERRUPTION OF MOTIVE POWER (I.E., OPEN CLUTCH).THE DRIVER IS ALERTED TO THE LATTER TWO MODES BY THE DASH GEAR POSITION INDICATOR (PRNDS) FLASHING. ONE OF THE CONDITIONS THAT RESULTS IN INTERRUPTION OF MOTIVE POWER IS EXCESS GEARBOX TEMPERATURE.THE SYSTEM INITIALLY RESPONDS TO INCREASED GEARBOX TEMPERATURE BY RAMPING DOWN ENGINE TORQUE.IF THE TEMPERATURE KEEPS RISING THE MECHATRONIC UNIT RESPONDS BY OPENING THE CLUTCH.IN A DEFECT INFORMATION REPORT SUBMITTED TO NHTSA ON AUGUST 20, 2009, VOLKSWAGEN DESCRIBED A POTENTIAL DEFECT IN THE WIRING HARNESSES OF THE DSG GEARBOX TEMPERATURE SENSORS USED IN APPROXIMATELY 16,000 MODEL YEAR (MY) 2009 AND 2010 VOLKSWAGEN (EOS, JETTA AND GTI) AND AUDI (A3 AND TT/TT ROADSTER) VEHICLES EQUIPPED WITH DSG TRANSMISSIONS AND BUILT FROM SEPTEMBER 2008 THROUGH AUGUST 2009 (NHTSA RECALL NO. 09V-333, VOLKSWAGEN RECALL NO. 37E3/S7 AND AUDI RECALL NO 37E4/J7). VOLKSWAGEN PROVIDED THIS DESCRIPTION OF THE DEFECT, THE WIRING HARNESS OF A TEMPERATURE SENSOR IN THE DSG MAY HAVE CONNECTOR WIRES THAT WERE INSUFFICIENTLY CRIMPED BY THE CONNECTOR SUPPLIER DURING A LIMITED PRODUCTION PERIOD.WITH INSUFFICIENTLY CRIMPED CONNECTOR WIRES, A TEMPERATURE SENSOR HAS THE POTENTIAL TO FALSELY DETECT A HIGH GEARBOX OIL TEMPERATURE, CAUSING THE TRANSMISSION TO ABRUPTLY SHIFT TO NEUTRAL.IF THIS HAPPENS, THE SELECTOR LEVER POSITION INDICATOR WITHIN THE INSTRUMENT PANEL WILL FLASH.IN ADDITION, THE DEPRESS BRAKE PEDAL INDICATOR LIGHT WILL BE ILLUMINATED, ALERTING THE DRIVER TO APPLY THE BRAKES.IN HEAVY TRAFFIC, THE ABRUPT SHIFT TO NEUTRAL COULD LEAD TO A CRASH WITHOUT WARNING.VOLKSWAGEN ESTIMATED THAT LESS THAN ONE PERCENT OF THE RECALLED VEHICLES MAY CONTAIN THE DEFECT CONDITION. ODI IDENTIFIED 40 COMPLAINTS THAT APPEAR TO BE RELATED TO THE TEMPERATURE SENSOR DEFECT CONDITION DESCRIBED BY VOLKSWAGEN.VOLKSWAGEN RECEIVED 139 COMPLAINTS RELATED TO THE CONDITION, WITH 7 INVOLVING VEHICLES REPORTED TO ODI, RESULTING A 172 TOTAL COMPLAINTS TO ODI AND VOLKSWAGEN.ALL OF THESE COMPLAINTS INVOLVE THE MY 2009 AN 2010 VEHICLES SUBJECT TO RECALL 09V-333. ODI ALSO IDENTIFIED COMPLAINTS OF HARSH/JERKY SHIFTING IN SOME VOLKSWAGEN VEHICLES WITH DSG.VOLKSWAGEN ATTRIBUTED THIS CONDITION, WHICH TYPICALLY OCCURS AT VERY LOW SPEEDS, TO EXCESSIVE WEAR IN THE BUSHINGS OF THE TWO SOLENOID VALVES IN THE MECHATRONIC UNIT THAT CONTROL CLUTCH OPERATION.VOLKSWAGEN DOES NOT BELIEVE THAT THE THIS CONDITION IS A SAFETY DEFECT BECAUSE THE CHANGES IN SHIFT QUALITY DEVELOP GRADUALLY OVER TIME, DO NOT CAUSE A LOSS OF MOTIVE POWER AND HAVE NOT RESULTED IN ANY FATALITIES, INJURIES OR SERIOUS CRASHES (THERE WERE THREE REPORTED PROPERTY DAMAGE INCIDENTS RESULTING IN MINOR BODY DAMAGE IN VERY LOW SPEED, PARKING MANEUVERS).VOLKSWAGEN ADDRESSED THIS PROBLEM IN THE FIELD WITH A CUSTOMER SERVICE PROGRAM THAT INCLUDES THE REPLACEMENT OF POTENTIALLY AFFECTED MECHATRONIC UNITS AS WELL